drm/via: track user->memblock mapping with idr

Massive indirection through a hashtable for a simple key->pointer
look-up actually just adds bloat.

v2: Drop the misleading comment noted by Chris Wilson.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
index 9cf87d912325..108ea71f399d 100644
--- a/drivers/gpu/drm/via/via_drv.h
+++ b/drivers/gpu/drm/via/via_drv.h
@@ -91,6 +91,8 @@ typedef struct drm_via_private {
         struct drm_sman sman;
         int vram_initialized;
         int agp_initialized;
+        /** Mapping of userspace keys to mm objects */
+        struct idr object_idr;
         unsigned long vram_offset;
         unsigned long agp_offset;
         drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];